Home / 905,483.64-1,249,676.46-523,604.28

Finding the Fourth Proportional to 905,483.64, 1,249,676.46 and 523,604.28

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Solution

The fourth proportional to 905,483.64, 1,249,676.46 and 523,604.28 is: 722,636.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,483.64 : 1,249,676.46 = 523,604.28 : x
  2. Step 2: Convert to fraction form
    905,483.64/1,249,676.46 = 523,604.28/x
  3. Step 3: Cross multiply
    905,483.64x = 1,249,676.46 × 523,604.28
  4. Step 4: Simplify right side
    905,483.64x = 654,335,943,071.25
  5. Step 5: Solve for x
    x = 654,335,943,071.25/905,483.64
  6. Step 6: Final answer
    x = 722,636.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.